That doesn't sound that good to me.
If there are 3 players left with 2 players only having kings left and the third is just collecting points by double checking their kings instead of checkmating them (which would be enough for a win) I would not mind either player resigning.
Players resigning in this game (ffa) should lose double rating points imo as resignations really ruin the game. At the start someone resigns and the person left sitting in the middle of the other Two remaining players is onto a hiding to nothing. Not only does he have no chance of winning the resignees king but due to being between the Two remaining players he will be a natural target.
Resign later and it has a big impact on who wins the king.
One common scenario is where you check a player who then resigns.
Ok so he resigns because everyone about to pile in on him due to him being in check. However the resignation has a huge bearing on where the points go.
Basically the person who put him in check wins the king on his next move and scoops up the points. If the player had not resigned it is more likely one of the other players would have reaped the reward.
I propose resignations should only be allowed without penalty once only Two players remain as before then it is too disruptive and needs punishing.
Thoughts?